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Published on: July 18, 2014
Insights on Atrial Fibrillation in Congenital Heart Disease
Mohammad A Ebrahim1, Carolina A Escudero1, Michal J Kantoch1
1Division of Cardiology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada.
Insights
Adults with congenital heart disease (ACHD) face a higher risk of atrial fibrillation (AF). This review covers AF epidemiology, risk factors, and management challenges in this growing ACHD population.
Area of Science:
- Cardiology
- Adult Congenital Heart Disease (ACHD)
Background:
- Atrial arrhythmias are common in adults with congenital heart disease (CHD).
- Atrial fibrillation (AF) is the most frequent arrhythmia in adults with CHD over 50.
- AF in ACHD patients presents with higher incidence, prevalence, earlier onset, and greater progression risk compared to non-CHD adults.
Purpose of the Study:
- To provide a contemporary review of atrial fibrillation (AF) in adult congenital heart disease (ACHD) patients.
- To discuss the epidemiology, pathophysiology, and management of AF in this complex population.
Main Methods:
- Literature review of current data on AF in ACHD.
- Analysis of epidemiological trends, risk factors, and clinical characteristics.
- Evaluation of existing and limited data on management strategies.
Main Results:
- AF is a significant complication in the growing ACHD population.
- Known risk factors include older age, left atrial dilation, hypertension, and prior surgeries.
- Data on optimal antiarrhythmic drugs, anticoagulation, and catheter ablation efficacy/safety are scarce.
Conclusions:
- There is a critical need for further research into AF management, prevention, and monitoring in ACHD.
- Understanding and addressing AF is crucial for improving long-term outcomes in ACHD patients.
Abstract:
Patients with congenital heart disease (CHD) have been surviving late into adulthood, with atrial arrhythmias being the most common long-term complication. In recent reports, atrial fibrillation (AF) tended to be the most common form of arrhythmias among groups of patients with adult CHD (ACHD) older than 50 years of age. When compared with their adult counterparts without CHD, AF in patients with ACHD has been characterized by a higher incidence and prevalence, younger age of onset, and a greater risk of progression to persistent AF. Risk factors for the development of AF are not well known but include older age, left atrial dilation, systemic hypertension, and multiple cardiac surgeries. Data on management options such as optimal antiarrhythmic drug therapy, indications for anticoagulation, and efficacy and safety of catheter ablation are limited. There is a crucial need for further research exploring management, prevention, and monitoring strategies for the growing ACHD patient population with AF. This report will provide a contemporary review of the epidemiology, pathophysiology, and management options for AF in this complex patient population.
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